Quarterly report pursuant to Section 13 or 15(d)

EARNINGS PER SHARE - Additional Information (Detail)

v2.3.0.15
EARNINGS PER SHARE - Additional Information (Detail)
In Millions
3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Shares excluded from diluted earnings per share that may be issued upon the exercise of employee stock options because such effect would be antidilutive 9.8 9.8 7.4 11.5